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libnm/secret-agent: use CList instead of GSList for tracking requests

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Always always when we want a linked list, CList is a better choice than
GSList. It's more convenient to use and is more efficient.

Also, use GSlice allocator for GetSecretRequest data.
This commit is contained in:
Thomas Haller 2019-01-22 13:44:01 +01:00
parent 72f90a8fbc
commit b9a7f1974b
1 changed files with 34 additions and 33 deletions
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67
libnm/nm-secret-agent-old.c
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@ -29,6 +29,7 @@
#include "nm-dbus-helpers.h"
#include "nm-simple-connection.h"
#include "nm-core-internal.h"
#include "c-list/src/c-list.h"
#include "introspection/org.freedesktop.NetworkManager.SecretAgent.h"
#include "introspection/org.freedesktop.NetworkManager.AgentManager.h"
@ -39,6 +40,7 @@ typedef struct {
char *path;
char *setting_name;
GDBusMethodInvocation *context;
CList gsi_lst;
} GetSecretsInfo;
NM_GOBJECT_PROPERTIES_DEFINE (NMSecretAgentOld,
@ -60,7 +62,7 @@ typedef struct {
NMDBusSecretAgent *dbus_secret_agent;
/* GetSecretsInfo structs of in-flight GetSecrets requests */
GSList *pending_gets;
CList gsi_lst_head;
char *identifier;
gboolean auto_register;
@ -93,18 +95,15 @@ _internal_unregister (NMSecretAgentOld *self)
}
static void
get_secrets_info_finalize (NMSecretAgentOld *self, GetSecretsInfo *info)
get_secrets_info_free (GetSecretsInfo *info)
{
NMSecretAgentOldPrivate *priv = NM_SECRET_AGENT_OLD_GET_PRIVATE (self);
nm_assert (info);
g_return_if_fail (info != NULL);
priv->pending_gets = g_slist_remove (priv->pending_gets, info);
c_list_unlink_stale (&info->gsi_lst);
g_free (info->path);
g_free (info->setting_name);
memset (info, 0, sizeof (*info));
g_free (info);
g_slice_free (GetSecretsInfo, info);
}
static inline gboolean
@ -125,18 +124,16 @@ name_owner_changed (GObject *proxy,
{
NMSecretAgentOld *self = NM_SECRET_AGENT_OLD (user_data);
NMSecretAgentOldPrivate *priv = NM_SECRET_AGENT_OLD_GET_PRIVATE (self);
char *owner;
gs_free char *owner = NULL;
GetSecretsInfo *info;
owner = g_dbus_proxy_get_name_owner (G_DBUS_PROXY (proxy));
if (owner != NULL) {
if (owner) {
if (should_auto_register (self))
nm_secret_agent_old_register_async (self, NULL, NULL, NULL);
g_free (owner);
} else {
while (priv->pending_gets) {
GetSecretsInfo *info = priv->pending_gets->data;
priv->pending_gets = g_slist_remove (priv->pending_gets, info);
while ((info = c_list_first_entry (&priv->gsi_lst_head, GetSecretsInfo, gsi_lst))) {
c_list_unlink (&info->gsi_lst);
NM_SECRET_AGENT_OLD_GET_CLASS (self)->cancel_get_secrets (self,
info->path,
info->setting_name);
@ -304,7 +301,7 @@ get_secrets_cb (NMSecretAgentOld *self,
g_variant_new ("(@a{sa{sv}})", secrets));
}
get_secrets_info_finalize (self, info);
get_secrets_info_free (info);
}
static void
@ -328,11 +325,13 @@ impl_secret_agent_old_get_secrets (NMSecretAgentOld *self,
return;
}
info = g_malloc0 (sizeof (GetSecretsInfo));
info->path = g_strdup (connection_path);
info->setting_name = g_strdup (setting_name);
info->context = context;
priv->pending_gets = g_slist_append (priv->pending_gets, info);
info = g_slice_new (GetSecretsInfo);
*info = (GetSecretsInfo) {
.path = g_strdup (connection_path),
.setting_name = g_strdup (setting_name),
.context = context,
};
c_list_link_tail (&priv->gsi_lst_head, &info->gsi_lst);
NM_SECRET_AGENT_OLD_GET_CLASS (self)->get_secrets (self,
connection,
@ -346,16 +345,16 @@ impl_secret_agent_old_get_secrets (NMSecretAgentOld *self,
}
static GetSecretsInfo *
find_get_secrets_info (GSList *list, const char *path, const char *setting_name)
find_get_secrets_info (NMSecretAgentOldPrivate *priv,
const char *path,
const char *setting_name)
{
GSList *iter;
GetSecretsInfo *info;
for (iter = list; iter; iter = g_slist_next (iter)) {
GetSecretsInfo *candidate = iter->data;
if ( g_strcmp0 (path, candidate->path) == 0
&& g_strcmp0 (setting_name, candidate->setting_name) == 0)
return candidate;
c_list_for_each_entry (info, &priv->gsi_lst_head, gsi_lst) {
if ( nm_streq0 (path, info->path)
&& nm_streq0 (setting_name, info->setting_name))
return info;
}
return NULL;
}
@ -377,7 +376,7 @@ impl_secret_agent_old_cancel_get_secrets (NMSecretAgentOld *self,
return;
}
info = find_get_secrets_info (priv->pending_gets, connection_path, setting_name);
info = find_get_secrets_info (priv, connection_path, setting_name);
if (!info) {
g_dbus_method_invocation_return_error (context,
NM_SECRET_AGENT_ERROR,
@ -386,7 +385,7 @@ impl_secret_agent_old_cancel_get_secrets (NMSecretAgentOld *self,
return;
}
priv->pending_gets = g_slist_remove (priv->pending_gets, info);
c_list_unlink (&info->gsi_lst);
NM_SECRET_AGENT_OLD_GET_CLASS (self)->cancel_get_secrets (self,
info->path,
@ -1165,6 +1164,7 @@ nm_secret_agent_old_init (NMSecretAgentOld *self)
{
NMSecretAgentOldPrivate *priv = NM_SECRET_AGENT_OLD_GET_PRIVATE (self);
c_list_init (&priv->gsi_lst_head);
priv->dbus_secret_agent = nmdbus_secret_agent_skeleton_new ();
_nm_dbus_bind_properties (self, priv->dbus_secret_agent);
_nm_dbus_bind_methods (self, priv->dbus_secret_agent,
@ -1239,14 +1239,15 @@ dispose (GObject *object)
{
NMSecretAgentOld *self = NM_SECRET_AGENT_OLD (object);
NMSecretAgentOldPrivate *priv = NM_SECRET_AGENT_OLD_GET_PRIVATE (self);
GetSecretsInfo *info;
if (priv->registered)
nm_secret_agent_old_unregister_async (self, NULL, NULL, NULL);
g_clear_pointer (&priv->identifier, g_free);
while (priv->pending_gets)
get_secrets_info_finalize (self, priv->pending_gets->data);
while ((info = c_list_first_entry (&priv->gsi_lst_head, GetSecretsInfo, gsi_lst)))
get_secrets_info_free (info);
g_signal_handlers_disconnect_matched (priv->dbus_secret_agent, G_SIGNAL_MATCH_DATA,
0, 0, NULL, NULL, self);